Chapter 4 EI system diagnosis Section 4 EI system troubleshooting
4—14
MALFUNCTIONCODE AND DEFECTIVE CONDITION
MALFUNCTIO
N CODE
DETECTED ITEM
DETECTED FAILURE CONDITION
CHECK FOR
P0031
O
2
Sheater
Circuit
Low Voltage
After engine running,if oxygen sensor heater signal open or is
happened the ground short fault for 1 second by 10 times in 12
times test cycle,the code P0031 is indicated.
Oxygen sensor, lead wire / coupler connection.
P0032
High Voltage
After engine running, if oxygen sensor heater signal is happened
the high short fault for 1 second by 10 times in 12 times test cycle,
the code P0032 is indicated.
Oxygen sensor, lead wire / coupler connection.
P00D1
Performance
If the engine running time is larger than 180S, and ECU calculated
oxygen sensor element resistance is larger than 1400Ω,Over 100
samples have been collected, the code P00D1 is indicated.
Oxygen sensor, lead wire / coupler connection.
P0107
Sensor
Circuit
Open
The sensor should produce following voltage.0.15 V≤Sensor output
voltage. Without the above range for 2.2 sec.and more, P0107 is
indicated.
Intake air pressure sensor, lead wire / coupler connection.
P0108
High Voltage
The sensor should produce following voltage. Sensor output
voltage≤5 VWithout the above range for 10.0sec.and more, P0108 is
indicated.
Intake air pressure sensor, lead wire / coupler connection.
P3106
Performance
After engine is running in steady state, MAP < 30kpa and running
for 50S, P3106 is indicated
Intake air pressure sensor, lead wire / coupler connection.
P0105
Stuck
Vehicle soak time > 3min,during the process of engine start and
running, if the MAP is lower than 15kpa in 50 seconds, P0105 is
indicated.
Intake air pressure sensor, lead wire / coupler connection.
P0112
Sensor
Circuit
Low Voltage
The sensor voltage should be the following.
0.1 V ≤Sensor output voltage
Without the above range for 6.25 sec. And more, P0112 is indicated.
Intake air temperature sensor, lead wire / coupler connection.
P0113
High Voltage
or Open
The sensor voltage should be the following. Sensor out
≤4.9VWithout the above range for 6.25 sec.and more, P0113 is
indicated.
Intake air temperature sensor, lead wire / coupler connection.